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  7. Main Unit, Negative-pressure Type, -101.3 kPa, NPN

Compact Pressure SensorAP-50 series

Main Unit, Negative-pressure Type, -101.3 kPa, NPN



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Negative pressure type, NPN*1, Analog type

Rated pressure

0 to -101.3 kPa

Type of pressure

Gauge pressure, gases and liquids compatible with SUS630 and SUS304


4-digit 7-segment LED (character height: 8 mm), display cycle: 5 times/sec.


±0.5 % of F.S. ± 1 digit or less


5 ms

Display resolution

0.1 kPa

Detectable pressure range

-15 to +120 % of F.S. from the 0-point adjustment position


Variable (when hysteresis mode is selected), 0.5 % of F.S. in standard mode


Analog output

4 to 20 mA, maximum load resistance of 300 Ω

Control output

Maximum NPN open-collector output: 100 mA (40 V or less), residual voltage: 1 V or less, N.O./N.C. switchable


Power voltage

12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

Current consumption

75 mA or less

Environmental resistance

Enclosure rating


Pressure resistance

500 kPa

Ambient temperature

-10 to +50 °C 14 to 122 °F

Relative humidity

35 to 85 % RH (No freezing and No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

Shock resistance

100 m/s2, 3 times in each of the X, Y, and Z directions


Liquid contact section: SUS630 and SUS304, case: PBT die-cast zinc


Approx. 185 g

*1 The negative pressure type displays positive values when negative pressure is detected and displays negative values when positive pressure is detected. (Example: When -50.0 kPa is detected, 50.0 kPa is displayed.)

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Process Controls / Process Sensors